UL AND FM APPROVED 
For fire sprinkler and other commercial piping 
Knurled swivel nut (3/8")design permits vertical hanger adjustment after installation. 
Electro-Galvanized steel construction

Blue plastic washer holds hanger and insert nut together

Rolled edges protect plastic pipe

Rubber and Felt lining available for copper pipe 

Cross Reference: 
Tolco Fig 200 
Erico 112M 
Cooper B-Line B3170NF